Improvement in take-tip mechanism for looms



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JOHN SPARKS, OF CONCORD, KEN TUCK-Y.H-:

Letters Patent No. 89,445, dated April 27, 1869.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern.-

Be it known that 1, JOHN SPARKS, of Concord, in the county of Lewis, andState of Kcntucky,-have invented a new and useful Improvement inLoonis and I do hereby declare that the following isa full, clear, and exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanying drawings, forming a part of this specification.

The object of this invention is to provide an improved take-up mechanism for looms, which may be so graduated in its action, as to maintain the same tension on the cloth at all times.

It consists in the combination with a positive ratchetand-pawl mechanism for actuating the beam through a certain part of its movement, of a spring-actuated pawl, which bears on the ratchet of the cloth-beam, pulling it against the strain of the cloth. The pawl is setat every beat of the lay.

Figure 1 represents a sectional elevation of a loom provided with my improvement; and

Figure 2 represents a horizontal section of the same.

Similar letters of reference indicate corresponding parts.

a represents the cloth-beam, which is provided with the ratchet-wheel b, and the actuating-pawls c c, which are actuated by the lever d, suitably connected to the lay, and to the vibrating-block, towhich the pawls are connected.

By this mechanism, the beam is intended to be operated through only a part of the distance necessary for winding on the cloth.

0 represents a spring-pawl, connected to the ratchetwheel at one end, and by the other to the spring f.

g represents a vibrating-block, pivoted to the frame at h, and arranged to be actuated by the lever cl, and provided with a pin, 43, underneath the pawl c.

When the lever d is moved back by the lay to retract the pawl 0, the pawl e will be raised on the wheel and against the spring f, by action of the vibratingblock g, so that when the lever (Z moves in the forward direction, to cause the pawl cto act on the wheel, the pawl 6 will be left by the pin 1' of the block g to catch on the wheel, and be borne down by the spring ,whereby the Wheel and cloth-beam will be moved from the point at which they are left by the pawl 0, until the tension of the cloth is overcome by the action of the spring, when the beam will be turned by the pawl e, and in this way the winding of the cloth is regulated without reference to the'size of the roll on the clothbeam.

k is a spring-holdingpawl; and

Z, a holding-pawl, suspended from the wheel and the pin m, in a manner similar to the arrangement of the pawl e.

Having thus described my invention,

What I claim as new, and desire to secure by Letters Patent, is-

1. The combination with a ratchet-and-pawl takeup mechanism, of the spring-actuated pawl 6, sub stant-iall'y as and for the purpose described. 4

2. The-combination with the pawl e of the oscillat- .ing-block g, provided with a pin 40, or its equivalent, substantially as and for the purpose described.

JOHN SPARKS.

Witnesses:

ELIAS D. SEOREST, WILLIAM SPARKS.

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